Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Coating or impregnating workpiece before molding or shaping...
Patent
1994-11-17
1996-10-22
Vargot, Mathieu D.
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Coating or impregnating workpiece before molding or shaping...
156166, 156180, 156441, 264136, 264257, 264336, B29C 7052
Patent
active
055673740
ABSTRACT:
Elongate products are molded in a die from fiber reinforced plastics by drawing a bundle of tows through a bath of resin and between two portions of an open die, which is closed under high pressure, and heated to cure the resin. The die is opened and the product is then partly withdrawn lengthwise, to draw further wetted tows between the die portions, and the die is again closed, clamping the tail end of the already cured product which still projects into the die space, or clamping blocks at its downstream end. Cold clamping blocks also clamp the tows at the die upstream end. The products are subsequently severed externally of the die by cutter wheels.
REFERENCES:
patent: 2949054 (1960-08-01), White
patent: 3529050 (1970-09-01), Smith
patent: 3859409 (1975-01-01), Coonrod
patent: 3896206 (1975-07-01), Beaver et al.
patent: 4780166 (1988-10-01), Hunter
patent: 5114516 (1992-05-01), Pilling et al.
patent: 5152945 (1992-10-01), Thicthener et al.
patent: 5324377 (1994-06-01), Davies
Hastwell Peter J.
Thicthener Edward P.
Applied Research of Australia Pty. Ltd.
Vargot Mathieu D.
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